Home / 70,975.04-97,944.82-39,143.26

Finding the Fourth Proportional to 70,975.04, 97,944.82 and 39,143.26

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Solution

The fourth proportional to 70,975.04, 97,944.82 and 39,143.26 is: 54,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.04 : 97,944.82 = 39,143.26 : x
  2. Step 2: Convert to fraction form
    70,975.04/97,944.82 = 39,143.26/x
  3. Step 3: Cross multiply
    70,975.04x = 97,944.82 × 39,143.26
  4. Step 4: Simplify right side
    70,975.04x = 3,833,879,212.19
  5. Step 5: Solve for x
    x = 3,833,879,212.19/70,975.04
  6. Step 6: Final answer
    x = 54,017.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.